# a = "ping-zhu"
# b = "pong-merry"
# q="play pingpong: {}, {}".format(a, b)
# print(q)
#play pingpong: ping, pong
# a = "ping"
# b = "pong"
# q="play pingpong: {0}, {1}, {0}, {1}".format(a, b)
# print(q)#play pingpong: ping, pong, ping, pong

# a = "ping"
# b = "pong"
# print("play pingpong: {a}, {b}, {a}, {b}".format(a='ping', b='pong'))
#play pingpong: ping, pong, ping, pong

# A=open("2-2.txt","w",encoding="utf-8")
# content="hello,zhuyunq"
# A.write(content)
# A.close()




# con2=bb.read()
# print(con2)

# cc=open("2-2.txt", "a", encoding="utf-8")
# concon="hello,1225圣诞节"
# cc.write(concon)
# cc.close()
#
# bb=open("2-2.txt", "r", encoding="utf-8")
# con=bb.read()
# print(con)
